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README.md

Weather Click

Weather Click demo application is developed using the NECTO Studio, ensuring compatibility with mikroSDK's open-source libraries and tools. Designed for plug-and-play implementation and testing, the demo is fully compatible with all development, starter, and mikromedia boards featuring a mikroBUS™ socket.

Click Library

  • Author : MikroE Team
  • Date : okt 2019.
  • Type : I2C/SPI type

Software Support

Example Description

This demo-app shows the temperature, pressure and humidity measurement using Weather Click.

Example Libraries

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Weather

Example Key Functions

  • weather_cfg_setup Config Object Initialization function.
voidweather_cfg_setup ( weather_cfg_t*cfg );
  • weather_init Initialization function.
err_tweather_init ( weather_t*ctx, weather_cfg_t*cfg );
  • weather_default_cfg Click Default Configuration function.
err_tweather_default_cfg ( weather_t*ctx );
  • weather_get_ambient_data Use this function to read the temperature, pressure and humidity data
err_tweather_get_ambient_data( weather_t*ctx, weather_data_t*weather_data );
  • weather_get_device_id You can use this function as a check on Click communication with your MCU.
err_tweather_get_device_id ( weather_t*ctx, uint8_t*device_id );
  • weather_measurement_cfg Use this function to set up new settings
err_tweather_measurement_cfg ( weather_t*ctx, weather_measurement_cfg_t*cfg );

Application Init

Configuring Clicks and log objects. Setting the Click in the default configuration to start the measurement.

voidapplication_init ( void ) { log_cfg_tlog_cfg; weather_cfg_tweather_cfg; /**  * Logger initialization. * Default baud rate: 115200 * Default log level: LOG_LEVEL_DEBUG * @note If USB_UART_RX and USB_UART_TX  * are defined as HAL_PIN_NC, you will  * need to define them manually for log to work.  * See @b LOG_MAP_USB_UART macro definition for detailed explanation. */LOG_MAP_USB_UART( log_cfg ); log_init( &logger, &log_cfg ); log_info( &logger, " Application Init " ); // Click initialization.weather_cfg_setup( &weather_cfg ); WEATHER_MAP_MIKROBUS( weather_cfg, MIKROBUS_1 ); if ( WEATHER_OK!=weather_init( &weather, &weather_cfg ) ) { log_error( &logger, " Communication init." ); for ( ; ; ); } if ( WEATHER_OK!=weather_default_cfg ( &weather ) ) { log_error( &logger, " Default configuration." ); for ( ; ; ); } log_info( &logger, " Application Task " ); }

Application Task

Reads Temperature data, Relative Humidity data and Pressure data, and displays them on USB UART every 1500ms.

voidapplication_task ( void ) { weather_data_tweather_data; if ( WEATHER_OK==weather_get_ambient_data( &weather, &weather_data ) ) { log_printf( &logger, " \r\n ---- Weather data ----- \r\n" ); log_printf( &logger, "[PRESSURE]: %.2f mBar.\n\r", weather_data.pressure ); log_printf( &logger, "[TEMPERATURE]: %.2f C.\n\r", weather_data.temperature ); log_printf( &logger, "[HUMIDITY]: %.2f %%.\n\r", weather_data.humidity ); Delay_ms ( 1000 ); Delay_ms ( 500 ); } }

Application Output

This Click board can be interfaced and monitored in two ways:

  • Application Output - Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
  • UART Terminal - Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.

Additional Notes and Information

The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.

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